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Press Release

Lantheus Holdings to Host Second Quarter 2016 Earnings Conference Call on August 4, 2016 at 4:30 p.m. Eastern Time

NORTH BILLERICA, Mass.--(BUSINESS WIRE)--Jul. 21, 2016--
Lantheus
Holdings, Inc. (the “Company”) (NASDAQ: LNTH), the parent company of
Lantheus Medical Imaging, Inc. (“LMI”), today announced that it will
host a conference call at 4:30 p.m. ET on Thursday, August 4, 2016, to
discuss its financial and operating results for the second quarter of
2016.

To access the live conference call via telephone, please dial
1-866-498-8390 (U.S. callers) or 1-678-509-7599 (international callers)
and provide passcode 47799009. A live audio webcast of the call also
will be available on the homepage of the Company’s website at www.lantheus.com.

A replay of the telephone conference call and audio webcast will be
available from approximately 8:30 p.m. ET on August 4, 2016 through
midnight on August 18, 2016. To access a replay of the conference call,
dial 1-855-859-2056 (U.S. callers) or 1-404-537-3406 (international
callers), and provide passcode 47799009.

About Lantheus Holdings, Inc. and Lantheus Medical Imaging, Inc.Lantheus
Holdings, Inc. is the parent company of Lantheus Medical Imaging, Inc.,
a global leader in the development, manufacture and commercialization of
innovative diagnostic imaging agents and products. LMI provides a broad
portfolio of products, which are primarily used for the diagnosis of
cardiovascular diseases. LMI’s key products include the echocardiography
contrast agent DEFINITY® Vial for (Perflutren Lipid
Microsphere) Injectable Suspension; TechneLite® (Technetium
Tc99m Generator), a technetium-based generator that provides the
essential medical isotope used in nuclear medicine procedures; and Xenon
(Xenon Xe 133 Gas), an inhaled radiopharmaceutical imaging agent used to
evaluate pulmonary function and for imaging the lungs. The Company is
headquartered in North Billerica, Massachusetts with offices in Puerto
Rico, Canada and Australia. For more information, visit www.lantheus.com.